Scientific American.com

Researchers have measured the brain’s faint glow for the first time, hinting at a potential role of “biophotons” in cognition

To build safe but powerful AI models, start by testing their ability to play games on the fly

Using a notion called integer partitions, mathematicians have discovered a new way to detect prime numbers while also connecting two areas of math in an unexpected way

The first images of the cosmos taken by the world’s largest digital camera onboard the Vera C. Rubin Observatory are about to be released to the public. Here’s how to watch the action live

Major changes hit a key CDC vaccine advisory panel, ocean acidification crosses a critical threshold, and new research reveals an unexpected threat to pangolins.

When Israeli aircraft recently struck a uranium-enrichment complex in the nation, Iran could have been days away from achieving “breakout,” the ability to quickly turn “yellowcake” uranium into bomb-grade fuel, with its new high-speed centrifuges

President Trump will attend the G7 summit on Sunday in a nation he threatened to annex. He will also be an outlier on climate issues

Switching on air-conditioning during extreme heat doesn’t have to make us feel guilty—it can actually boost power grid reliability and help bring more renewable energy online

The decision to help a friend or stranger—and the amount of help that one chooses to give—may be powerfully shaped by the brain’s basolateral amygdala

Physicists are a step closer to using quantum computers for simulations that are beyond the ability of any ordinary computers

Evidence from Earth’s deep past suggests dramatic subduction zones can spread like a contagion

A near-complete census of our interstellar neighborhood hopes to answer how stars, brown dwarfs and rogue planets form throughout the universe

The Asian needle ant looks ordinary, but its sting can be worse than a fire ant’s and can be dangerous for anyone who has experienced anaphylaxis

This Father’s Day, we’re celebrating the unusually involved Djungarian hamster dads

The EPA has contradicted itself—and legal precedent—in its bid to undo Biden-era limits on power-plant climate pollution

A new brain-computer interface turns thoughts into singing and expressive speech in real time

The game-changing Vera C. Rubin Observatory will collect more astronomical data in its first year than all other telescopes combined

Our skin’s epithelial cells send electrical signals like neurons to cry out for help

Senators grilled NIH director Jayanta Bhattacharya the day after more than 300 NIH staff members sent him a fiery letter protesting the cancellation of thousands of research projects

States will continue to get FEMA federal disaster aid this year but may see less assistance after changes made in 2026